Study on Influence of Number of Permanent Magnetic Pole Pair on Transmission Characteristic of Radial Modulated Permanent Magnetic Gear

Lei Xiao; Hai Zhang; Baoyu Xu; Chengzhe Wang; Xiaoru Hao

doi:10.16578/j.issn.1004.2539.2019.05.001

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Study on Influence of Number of Permanent Magnetic Pole Pair on Transmission Characteristic of Radial Modulated Permanent Magnetic Gear

Theory·Reserach | 更新时间：2022-10-03

- Study on Influence of Number of Permanent Magnetic Pole Pair on Transmission Characteristic of Radial Modulated Permanent Magnetic Gear
- Journal of Mechanical Transmission Vol. 43, Issue 5, Pages: 1-5(2019)
- 作者机构：
  
  1.河南理工大学直驱电梯产业技术研究院，河南焦作 454000
  2.河南理工大学机械与动力工程学院，河南焦作 454000
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2019.05.001
  CLC：
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肖磊,张海,许宝玉等.径向调制永磁齿轮磁极数量对传动特性的影响研究[J].机械传动,2019,43(05):1-5.

Xiao Lei,Zhang Hai,Xu Baoyu,et al.Study on Influence of Number of Permanent Magnetic Pole Pair on Transmission Characteristic of Radial Modulated Permanent Magnetic Gear[J].Journal of Mechanical Transmission,2019,43(05):1-5.
肖磊,张海,许宝玉等.径向调制永磁齿轮磁极数量对传动特性的影响研究[J].机械传动,2019,43(05):1-5. DOI： 10.16578/j.issn.1004.2539.2019.05.001.

Xiao Lei,Zhang Hai,Xu Baoyu,et al.Study on Influence of Number of Permanent Magnetic Pole Pair on Transmission Characteristic of Radial Modulated Permanent Magnetic Gear[J].Journal of Mechanical Transmission,2019,43(05):1-5. DOI： 10.16578/j.issn.1004.2539.2019.05.001.

摘要

对于永磁齿轮，每一个传动比都可以由主、从动磁极对数量的若干种组合方式来实现。为此，以,i,=5和相近的传动比为例，选取主、从动磁极对的数量为2/10、3/15、……、7/35共6种组合方案和两组验证对比方案（每组各6种），应用有限元仿真技术，研究了磁极对数量对输出转矩和传动效率的影响。结果表明，输出转矩随磁极对数量的增加呈二次曲线规律变化，且峰值出现在主动磁极对数,P,h,=4处；而传动效率基本也呈二次曲线变化规律，在,P,h,=4~7处出现较大的值，但是变化不大。综合考虑输出转矩和传动效率，当传动比在,i,=5附近时，选取主、从动磁极对数量的组合方案,P,h,/,P,l,=4/19，可以获得较好的传动特性。

Abstract

For permanent magnetic gears （PMGs）， each transmission ratio can be made by several combinations of the numbers of magnetic pole pairs （NMPP） on the driving and driven rotors. In order to investigate the influence of NMPP on transmission efficiency and output torque， transmission ratio ,i,=5 is selected， PMGs with 6 combinations of NMPP and corresponding two groups （each group has 6 combinations） are analyzed， the 6 combinations of NMPP on driving/driven rotors are 2/10， 3/15， …， 7/35. Finite element analysis （FEA）simulations indicate that variations of output torque to NMPP on driving rotor （,P,h,） are quadratic curves with peak values occurring at ,P,h,=4， variations of transmission efficiency to Ph also show quadratic curves basically but with slow change and a little higher values occurring at ,P,h,=4~7. So it is concluded that considering output torque and transmission efficiency together， for PMGs with transmission ratio i being close to 5， the NMPP on driving/driven rotors （,P,h ,/,P,l,） should be selected as 4/19 to get a better transmission characteristics.

关键词

径向调制永磁齿轮输出转矩传动效率有限元分析

Keywords

Radial modulatedPermanent magnetic gearOutput torqueTransmission efficiencyFinite element analysis

references

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ATALLAH K， CALVERLEY S D， HOWE D. Design， analysis and realisation of a high-performance magnetic gear ［C］. IEEE Proceedings-Electric Power Applications， 2004， 151（2）： 135-143.

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RASMUSSEN P O， ANDERSEN T O， JOERGENSEN F T， et al. Development of a high performance magnetic gear［J］. IEEE Transactions on Industry Applications， 2005， 41（3）： 764-770.

CHAU K T， ZHANG D， JIANG J Z. Transient analysis of coaxial magnetic gears using finite element comodeling［J］. Journal of Applied Physics， 2008， 103（7）： 07F101.

FRANK N W， TOLIYAT H A. Analysis of the concentric planetary magnetic gear with strengthened stator and interior permanent magnet inner rotor［J］. IEEE Transactions on Industry Applications， 2011， 47（4）： 1652-1660.

刘新华. 新型磁场调制式磁性齿轮的设计研究［D］上海：上海大学，2008：25-30.

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